Over lock sewing machine

Introduction:

Overlock, sewing is employed in forming overlock stitch. An overlock home appliance is employed for both knit garments and woven fabric garments to lock the side seam, inseam, armhole, and other parts of the clothes. Overlock sewing machines run at high speed around 1000 to over 9000 rpm, and most are utilized in the industry for edging, hemming, and seaming a spread of materials and products. Overlock, stitches are extremely versatile, as they will be used for adornment, reinforcement, or construction.

Machine specification:

                         Name: Over-lock sewing machine

              Brand name: JUKEI
                      Model: JUK 7471
                       Origin: China
                   Function: Any fabric side lock

Machine Parts Name:

1) Thread stand: Thread stand is used to holds the bobbin. 
2) Thread guide: Thread guide indicates the passing path of the thread.
 3) Four thread tension post: To ensure the proper tension of the thread two-needle and two looper thread tension post is used in this machine.
4) Needle thread take-up lever: Needle thread take-up lever holds the needle thread during operation.
5) Looper thread take-up lever: Looper thread take-up lever help to hold the looper thread and easy to pass away the guide.
6) Presser foot: To press the fabric surface.
7) Throat plate: It helps to move forward the fabric.
 8) Feed dogs: Its help to  move the fabric 
 9) Upper/ lower looper: Upper/ lower looper helps to sew the fabric.
10) Upper and lower knife: During the sewing operation its help to cut the edge of the fabric]
 11) Stitch controller: To maintain the thread tension and stitch length controlled by it.
12) Foot pedal: To control the speed.
13) Handwheel: It helps to raise or lower the thread during operation. 

Other Information:

1) Machine R.M.P=2850
2) Power = 250 watt
3) Voltage = 220V
4) HP= 3/4 HP

Precaution:

1) We should not press any elements or switch without the permission of the teacher or lab assistant.
2) We should maintain proper speed by pressing the foot pedal correctly.